fn:sort-by

Sorts a supplied sequence, based on the value of a number of sort keys supplied as functions.

sort-by($input as item()*, $keys as record(key? as (fn(item()) as xs:anyAtomicType*)?, collation? as xs:string?, order? as enum('ascending', 'descending')?)*) ➔ item()*

Arguments

 

$input

item()*

The input sequence

 

$keys

record(key? as (fn(item()) as xs:anyAtomicType*)?, collation? as xs:string?, order? as enum('ascending', 'descending')?)*

The sort key definitions

Result

item()*

Namespace

http://www.w3.org/2005/xpath-functions

Links to W3C specifications

XPath 4.0 Functions and Operators

Saxon availability

Available in XPath 4.0, XSLT 4.0, and XQuery 4.0, provided that 4.0 features are enabled (see Enabling 4.0 features). Requires Saxon-PE or Saxon-EE. Implemented since Saxon 13. Available for all platforms.